Ripley and Zoe are survivors in a world burned to ashes by the spacefaring Dragoon Swarm. Together with an alien child they rescued, they fight tooth and claw to secure food and water, and evade the toxic fumes that begin to fill the sky.
The mountain camp under attack by Dragoons, the girls are caught in a death trap. But Robin, one of the survivors, might just what they need to outrun certain death.